Skip to content

Vulcan keys #15

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
mmaret wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Vulcan keys #15

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
719cd47
Make vulcan key more generic
mmaret-geny Jan 23, 2015
cf61666
Add more vulcanKeys
mmaret-geny Jan 23, 2015
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
31 changes: 23 additions & 8 deletions retrogame.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -83,6 +83,7 @@ POSSIBILITY OF SUCH DAMAGE.
// create a spare ground point.

#define GND -1
#define array_size(array) (sizeof(array)/sizeof(array[0]))
struct {
int pin;
int key;
Expand Down Expand Up @@ -133,9 +134,16 @@ struct {
// Also key auto-repeat times are set here. This is for navigating the
// game menu using the 'gamera' utility; MAME disregards key repeat
// events (as it should).
const unsigned long vulcanMask = (1L << 6) | (1L << 7);
const int vulcanKey = KEY_ESC, // Keycode to send
vulcanTime = 1500, // Pinch time in milliseconds
struct vulcanMap {
unsigned long mask;
int key;
};
struct vulcanMap vulcanKeys[] = {
{((1L << 4) | (1L << 5)), KEY_ESC},
{((1L << 4) | (1L << 6)), KEY_S},
{((1L << 4) | (1L << 7)), KEY_L}
};
const int vulcanTime = 1500, // Pinch time in milliseconds
repTime1 = 500, // Key hold time to begin repeat
repTime2 = 100; // Time between key repetitions

Expand Down Expand Up @@ -246,12 +254,13 @@ int main(int argc, char *argv[]) {
char buf[50], // For sundry filenames
c; // Pin input value ('0'/'1')
int fd, // For mmap, sysfs, uinput
i, j, // Asst. counter
i, j, k, // Asst. counter
bitmask, // Pullup enable bitmask
timeout = -1, // poll() timeout
intstate[32], // Last-read state
extstate[32], // Debounced state
lastKey = -1; // Last key down (for repeat)
lastKey = -1, // Last key down (for repeat)
vulcanKey = 0;// vulcan key to send
unsigned long bitMask, bit; // For Vulcan pinch detect
volatile unsigned char shortWait; // Delay counter
struct input_event keyEv, synEv; // uinput events
Expand Down Expand Up @@ -369,7 +378,9 @@ int main(int argc, char *argv[]) {
err("Can't SET_KEYBIT");
}
}
if(ioctl(fd, UI_SET_KEYBIT, vulcanKey) < 0) err("Can't SET_KEYBIT");
for(i=0; i < array_size(vulcanKeys); i++){
if(ioctl(fd, UI_SET_KEYBIT, vulcanKeys[i].key) < 0) err("Can't SET_KEYBIT");
}
struct uinput_user_dev uidev;
memset(&uidev, 0, sizeof(uidev));
snprintf(uidev.name, UINPUT_MAX_NAME_SIZE, "retrogame");
Expand Down Expand Up @@ -461,8 +472,12 @@ int main(int argc, char *argv[]) {
// If the "Vulcan nerve pinch" buttons are pressed,
// set long timeout -- if this time elapses without
// a button state change, esc keypress will be sent.
if((bitMask & vulcanMask) == vulcanMask)
timeout = vulcanTime;
for(k=0; k < array_size(vulcanKeys); k++){
if((bitMask & vulcanKeys[k].mask) == vulcanKeys[k].mask){
timeout = vulcanTime;
vulcanKey = vulcanKeys[k].key;
}
}
} else if(timeout == vulcanTime) { // Vulcan timeout occurred
// Send keycode (MAME exits or displays exit menu)
keyEv.code = vulcanKey;
Expand Down